Patents Examined by Kevin M Johnson
-
Patent number: 8039414Abstract: A method for preparing a metal catalyst includes a proton conductive material coating layer formed on the surface of a conductive material. Also, an electrode may be prepared using the metal catalyst. The method for preparing the metal catalyst comprises mixing the conductive catalyst material, the proton conductive material, and a first solvent, casting the mixture onto a supporting layer and drying the mixture to form a conductive catalyst containing film. The method further comprises separating the conductive catalyst containing film from the supporting layer and pulverizing the conductive catalyst containing film to obtain the metal catalyst. The method for preparing the electrode comprises mixing the metal catalyst with a hydrophobic binder and a second solvent, coating the mixture on an electrode support, and drying it.Type: GrantFiled: November 21, 2005Date of Patent: October 18, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Suk-gi Hong, Tao-young Kim, Duck-young Yoo
-
Patent number: 7993137Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.Type: GrantFiled: November 11, 2010Date of Patent: August 9, 2011Assignee: Ivoclar Vivadent AGInventors: Elke Apel, Wolfram Holland, Marcel Schweiger, Christian Ritzberger, Harald Burke, Volker Rheinberger
-
Patent number: 7993542Abstract: A magnetic material for magnetic refrigeration has a composition represented by (R11-yR2y)xFe100-x (R1 is at least one of element selected from Sm and Er, R2 is at least one of element selected from Ce, Pr, Nd, Tb and Dy, and x and y are numerical values satisfying 4?x?20 atomic % and 0.05?y?0.95), and includes a Th2Zn17 crystal phase, a Th2Ni17 crystal phase, or a TbCu7 crystal phase as a main phase.Type: GrantFiled: March 22, 2007Date of Patent: August 9, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Shinya Sakurada, Akiko Saito, Tadahiko Kobayashi, Hideyuki Tsuji
-
Patent number: 7981834Abstract: An object of the present invention is to improve hydrocarbon adsorbing property when zeolite is used as an adsorbent for hydrocarbons. The present invention provides an adsorbent for hydrocarbons characterized by comprising A Type of ?-zeolite having a SiO2/Al2O3 ratio (molar ratio) in a range of 10 or more and less than 200 and B Type of ?-zeolite having a SiO2/Al2O3 ratio (molar ratio) in a range from 200 to 1,000, and a catalyst for exhaust gas purification containing said adsorbent for hydrocarbons.Type: GrantFiled: March 13, 2007Date of Patent: July 19, 2011Assignees: ICT Co., Ltd., International Catalyst Technology, Inc.Inventors: Hideki Goto, Akihisa Okumura
-
Glass composition for lamp, lamp, backlight unit and method for producing glass composition for lamp
Patent number: 7977262Abstract: A glass composition which contains Ce ions as a component substantially comprises, in terms of oxides, SiO2: 55 to 75 wt %, B2O3: 6 to 25 wt %, CeO2: 0.01 to 5 wt %, SnO: 0.01 to 5 wt %, Al2O3: 0 to 10 wt %, Li2O: 0 to 10 wt %, Na2O: 0 to 10 wt %, K2O: 0 to 10 wt %, MgO: 0 to 5 wt %, CaO: 0 to 10 wt %, SrO: 0 to 10 wt %, BaO 0 to 10 wt %, TiO2: 0 to 1.0 wt %, Fe2O3: 0.01 to 0.2 wt %, Sb2O3: 0 to 5 wt %, ZrO2: 0.01 to 5 wt %. By having such constituents, the glass composition is capable of suppressing transmission of ultraviolet light and solarization, and thus the glass composition hardly suffers from initial coloring or coloring during lamp production.Type: GrantFiled: March 28, 2006Date of Patent: July 12, 2011Assignee: Panasonic CorporationInventors: Atsushi Motoya, Yasurou Niguma -
Patent number: 7956204Abstract: A process for oxidation of hydrocarbon, comprising contacting said hydrocarbon with hydrogen peroxide in the presence of a catalytically effective amount of crystalline, titanosilicate zeolite TS-1 catalyst for a time and at a temperature effective to oxidize said hydrocarbon, wherein the catalyst is in the form of binderless, shaped particles comprising titanosilicate, TS-1 and titanosilicate TS-1 precursors and having a defined cross sectional diameter. Also, a process for epoxidation of olefins using crystalline, titanosilicate zeolite TS-1 catalyst. Also a process for oxidation of hydrocarbon using crystalline, titanosilicate TS-1 catalyst, wherein the catalyst is in the form of binderless, shaped particles having a crystallite size of less than 0.2 micron and a defined cross sectional diameter.Type: GrantFiled: February 19, 2008Date of Patent: June 7, 2011Assignee: Chevron U.S.A. Inc.Inventor: Stephen J. Miller
-
Patent number: 7955579Abstract: A boron suboxide composite material having improved fracture toughness consists of particulate or granular boron suboxide distributed in a binder phrase, such as AlxByOz, for example.Type: GrantFiled: September 6, 2006Date of Patent: June 7, 2011Assignee: Element Six (Production) (Pty) Ltd.Inventors: Geoffrey John Davies, Iakovos Sigalas, Mathias Herrmann, Thembinkosi Shabalala
-
Patent number: 7943540Abstract: An optical glass for precision molding having a high refractive index (nd) and a low yield temperature (At). The optical glass comprises, as glass components in wt %, 64 to 83% of Bi2O3; 4 to 17% of B2O3; 0 to 12% of GeO2 (wherein the total of B2O3 and GeO2 is 10 to 20%); 0 to 7% of La2O3; 0 to 7% of Gd2O3 (wherein the total of La2O3 and Gd2O3 is 1 to 13%); 0 to 4% of ZrO2; 0 to 5% of Ta2O5; 0 to 15% of ZnO; 0 to 2% of Sb2O3; and 0 to 1% of In2O3. The optical glass has optical constants, that is, a refractive index (nd) of 2.05 to 2.25 and an Abbe number (vd) of 15 to 22, and a yield temperature (At) of 510° C. or less.Type: GrantFiled: October 5, 2007Date of Patent: May 17, 2011Assignee: Sumita Optical Glass, Inc.Inventor: Yoshinori Yamamoto
-
Patent number: 7932203Abstract: A method for producing an oil-binding agent of granular open-porous structure with a silicate ceramic matrix by using recovered paper material and clay. The method is characterized in that, in each case based on the entire raw material, 35 to 60 wt.-% sewage sludge with a water content of between 70 and 85 wt.-%, 25 to 55 wt.-% recovered paper material with a water content of between 35 and 55 wt.-%, 10 to 25 wt.-% clay and optionally 1 to 3 wt.-% zeolite, 1 to 2 wt.-% quicklime and/or up to 3 wt. % fly ash are mixed to a homogeneous mixture. The raw material thus obtained is subsequently processed in order to form particles having an average diameter of 4 to 6 mm. The particles are then dried and subsequently burnt at 950 to 1050° C. The oil-binding agents produced according to said method have a bulk density of between 0.4 and 0.75 kg/1 and a oil-binding capability of 0.7 to 1.0 1 oil per oil-binder.Type: GrantFiled: January 22, 2007Date of Patent: April 26, 2011Assignee: Commerzialbank Mattersburg im Burgenland AGInventor: Franz Josef Philipp
-
Patent number: 7923406Abstract: A support for a fuel reforming catalyst includes aluminum (Al); and aluminum oxide (Al2O3) encapsulating the aluminum, wherein a total volume of micropores and mesopores is in the range of 0.1 to 1.0 ml/g per unit mass, and a volume of macropores is in the range of 0.4 to 1.2 ml/g per unit mass, and a method of preparing the same. The support has excellent heat transfer characteristics due to its high thermal conductivity and excellent mass transfer characteristics because the micropores, mesopores, and macropores exist in a proper ratio. Accordingly, if the support is used for a supported catalyst that is used in a reaction, in which the reaction rate is controlled by heat transfer and mass transfer, such as a fuel reforming reaction, the activity of the catalyst is enhanced. In addition, the support can be easily formed as desired due to its high mechanical strength.Type: GrantFiled: January 23, 2006Date of Patent: April 12, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Yulia Potapova, Soon-ho Kim, Hyun-chul Lee
-
Patent number: 7906446Abstract: Disclosed are synthetic silica glass having a low polarization-induced birefringence, process for making the glass and lithography system comprising optical element made of the glass. The silica glass has a polarization-induced birefringence measured at 633 nm of less than about 0.1 nm/cm when subjected to excimer laser pulses at about 193 nm having a fluence of about 40 ?J·cm?2·pulse?1 and a pulse length of about 25 ns for 5×109 pulses.Type: GrantFiled: September 10, 2009Date of Patent: March 15, 2011Assignee: Corning IncorporatedInventors: Douglas Clippinger Allan, Dana Craig Bookbinder, Ulrich W H Neukirch, Charlene Marie Smith
-
Patent number: 7901649Abstract: In a method of synthesizing a silicoaluminophosphate molecular sieve, a synthesis mixture is prepared by combining a source of phosphorus and at least one organic directing agent; and then introducing a source of aluminum into the combination of the phosphorus source and organic directing agent, wherein the temperature of the combination is less than or equal to 50° C. when addition of the source of aluminum begins. After addition of a source of silicon, the synthesis mixture is heated to a crystallization temperature of between about 100° C. and about 300° C. and the molecular sieve is recovered.Type: GrantFiled: November 7, 2005Date of Patent: March 8, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Machteld M. Mertens, Brita Engels, Els Cecilia De Clerck
-
Patent number: 7902098Abstract: A cubic boron nitride sintered material where wear resistance is suppressed from decreasing having excellent chipping resistance and a cutting tool made thereof are provided. The sintered material is constituted from cubic boron nitride particles that are bound by a binder phase, while the binder phase contains a carbide of at least one kind of metal element selected from among metals of groups 4, 5 and 6 of the periodic table and a nitride of at least one kind of metal element selected from among metals of groups 4, 5 and 6 of the periodic table coexisting therein, and therefore the particles can be suppressed from coming off and the binder phase can be suppressed from wearing and coming off at the same time, thereby making the sintered material having high wear resistance and particularly excellent chipping resistance.Type: GrantFiled: October 26, 2005Date of Patent: March 8, 2011Assignee: Kyocera CorporationInventors: Kenji Noda, Daisuke Shibata
-
Patent number: 7892999Abstract: A float glass for a display substrate, characterized in that its composition consists essentially of, as represented by mass % based on oxide, from 52 to 62% of SiO2, from 5 to 15% of Al2O3, from more than 0% to 9% of MgO, from 3 to 12% of CaO, from 9 to 18% of SrO, from 0 to 13% of BaO, from 25 to 30% of MgO+CaO+SrO+BaO, from 6 to 14% of Na2O+K2O+Li2O, from 0 to 6% of ZrO2 and from 0 to 1% of SO3, the temperature of glass melt corresponding to the viscosity of 102 dPa·s is at most 1,520° C., the temperature of glass melt corresponding to the viscosity of 104 dPa·s is at most 1,120° C., the glass transition temperature is at least 610° C., and the specific gravity is at most 2.9.Type: GrantFiled: November 10, 2008Date of Patent: February 22, 2011Assignee: Asahi Glass Company, LimitedInventors: Kensuke Nagai, Tetsuya Nakashima, Kei Maeda
-
Patent number: 7879310Abstract: Disclosed are compositions, methods, and devices that generally relate to silanes and silicides and to uses thereof for hydrogen generation. Methods and devices for generating hydrogen for fuel cells and for other applications such as fuel or a supplementary fuel for internal combustion engines and reducing agents to improve catalyst efficiency are also disclosed.Type: GrantFiled: August 2, 2006Date of Patent: February 1, 2011Assignee: Board of Trustees of the University of AlabamaInventors: Scott K. Spear, Daniel T. Daly, Richard P. Swatloski, Raymond E. Paggi, Michael D. Redemer
-
Patent number: 7871590Abstract: A solidified mass for a high-purity multicrystal silicon material that is preferably applicable to producing crystal type silicon ingots for photo voltaics, and a process for producing the solidified mass are provided. The mass of silicon solidified from molten state is a solidified mass produced by dropping molten silicon into a receiving vessel and allowing the vessel to receive the molten silicon, said solidified mass containing bubbles and having (i) an apparent density of not less than 1.5 g/cm3 and not more than 2.2 g/cm3 and (ii) a compressive strength of not less than 5 MPa and not more than 50 MPa. The process for producing a mass of silicon solidified from molten state includes the steps of dropping molten silicon into a receiving vessel and allowing the vessel to receive the molten silicon, wherein the surface temperature of the vessel for receiving the molten silicon is not lower than 0° C. and not higher than 1000° C.Type: GrantFiled: May 23, 2005Date of Patent: January 18, 2011Assignee: Tokuyama CorporationInventors: Satoru Wakamatsu, Junichirou Nakashima, Shigeki Sugimura
-
Patent number: 7871948Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.Type: GrantFiled: October 17, 2008Date of Patent: January 18, 2011Assignee: Ivoclar Vivadent AGInventors: Elke Apel, Wolfram Holand, Marcel Schweiger, Christian Ritzberger, Harald Burke, Volker M. Rheinberger
-
Patent number: 7867933Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.Type: GrantFiled: October 17, 2008Date of Patent: January 11, 2011Assignee: Ivoclar Vivadent AGInventors: Elke Apel, Wolfram Holand, Marcel Schweiger, Christian Ritzberger, Harald Burke, Volker M. Rheinberger
-
Patent number: 7867931Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.Type: GrantFiled: October 17, 2008Date of Patent: January 11, 2011Assignee: Ivoclar Vivadent AGInventors: Elke Apel, Wolfram Holand, Marcel Schweiger, Christian Ritzberger, Harald Burke, Volker M. Rheinberger
-
Patent number: 7867930Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.Type: GrantFiled: October 17, 2008Date of Patent: January 11, 2011Assignee: Ivoclar Vivadent AGInventors: Elke Apel, Wolfram Holand, Marcel Schweiger, Christian Ritzberger, Harald Burke, Volker M. Rheinberger